def test_get_traces(self):
tracemalloc.clear_traces()
obj_size = 12345
obj, obj_traceback = allocate_bytes(obj_size)
traces = tracemalloc._get_traces()
trace = self.find_trace(traces, obj_traceback)
self.assertIsInstance(trace, tuple)
domain, size, traceback = trace
self.assertEqual(size, obj_size)
self.assertEqual(traceback, obj_traceback._frames)
tracemalloc.stop()
self.assertEqual(tracemalloc._get_traces(), [])
def test_get_traces_intern_traceback(self):
# dummy wrappers to get more useful and identical frames in the traceback
def allocate_bytes2(size):
return allocate_bytes(size)
def allocate_bytes3(size):
return allocate_bytes2(size)
def allocate_bytes4(size):
return allocate_bytes3(size)
# Ensure that two identical tracebacks are not duplicated
tracemalloc.stop()
tracemalloc.start(4)
obj_size = 123
obj1, obj1_traceback = allocate_bytes4(obj_size)
obj2, obj2_traceback = allocate_bytes4(obj_size)
traces = tracemalloc._get_traces()
trace1 = self.find_trace(traces, obj1_traceback)
trace2 = self.find_trace(traces, obj2_traceback)
size1, traceback1 = trace1
size2, traceback2 = trace2
self.assertEqual(traceback2, traceback1)
self.assertIs(traceback2, traceback1)
def test_get_traces_intern_traceback(self):
# dummy wrappers to get more useful and identical frames in the traceback
def allocate_bytes2(size):
return allocate_bytes(size)
def allocate_bytes3(size):
return allocate_bytes2(size)
def allocate_bytes4(size):
return allocate_bytes3(size)
# Ensure that two identical tracebacks are not duplicated
tracemalloc.stop()
tracemalloc.start(4)
obj_size = 123
obj1, obj1_traceback = allocate_bytes4(obj_size)
obj2, obj2_traceback = allocate_bytes4(obj_size)
traces = tracemalloc._get_traces()
trace1 = self.find_trace(traces, obj1_traceback)
trace2 = self.find_trace(traces, obj2_traceback)
size1, traceback1 = trace1
size2, traceback2 = trace2
self.assertEqual(traceback2, traceback1)
self.assertIs(traceback2, traceback1)
def update_event(self, inp=-1):
self.set_output_val(0, tracemalloc._get_traces())
